Answer:
[tex]A = 0.00704 m^2[/tex]
Explanation:
Amount of heat to be removed, [tex]\dot{Q} = 100 W[/tex]
Change in temperature, [tex]\triangle T = 40^0 C[/tex]
The room air temperature, [tex]T_1 = 20^0C[/tex]
The forced convection heat transfer coefficient, h = 355 W/(m²K)
Required surface area of the fins, A = ?
Given all the above parameters, the surface area of the fins is given by the formula:
[tex]A = \frac{\dot{Q}}{h * \triangle T} \\\\A = \frac{100}{355 * 40}\\\\A = 0.00704 m^2[/tex]